CN110322735B

CN110322735B - Intelligent teaching system for English learning

Info

Publication number: CN110322735B
Application number: CN201910481984.2A
Authority: CN
Inventors: 赵静
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2021-12-28
Anticipated expiration: 2039-06-04
Also published as: CN110322735A

Abstract

The invention discloses an intelligent teaching system for English learning, comprising a base, a turntable, a table, a projection structure, a dictation structure and a telescopic structure. The turntable is located above the base, the table is located on the turntable, and the table has a plurality of placement slots , the projection structure includes a box body, a box cover, a lens, a slider, a push rod, a support rod and a suction cup. The box body is fixedly connected to the table, and the box body has a chute, which is located on the bottom surface of the box body. The body is hinged, the lens is embedded in the box body, the slider is embedded in the chute, and is slidably connected with the box body, the push rod is inserted into the box body, the support rod is fixedly connected with the slider, the suction cup is fixedly connected with the support rod, and the dictation structure is located on the table away from the turntable. At one end, the telescopic structure is located between the base and the turntable. The intelligent teaching system for English learning has many functions and good use effect.

Description

Intelligent teaching system for English learning

Technical Field

The invention relates to the technical field of teaching aids, in particular to an intelligent English learning teaching system.

Background

English is an important subject, needs long-time study, and along with the progress of society, English becomes more and more important, has the trend that becomes the second language of our country, and present English study becomes present primary school by the study of original high school, and kindergarten just begins to study English even, and English is to the deep-built of coming out of country in the future, and the work of graduating is all influenced greatly, can see the importance of English. English learning is with intelligent teaching system is the teaching aid that is used for studying the english, and traditional english learning intelligent teaching system's function singleness, result of use are poor.

Disclosure of Invention

The invention aims to provide a teaching system for English learning, which aims to solve the technical problems of single function and poor using effect of the traditional intelligent teaching system for English learning.

In order to achieve the above object, the present invention provides an intelligent teaching system for english learning, comprising a base, a turntable, a table, a projection structure, a typographical structure and a telescopic structure, wherein the turntable is located above the base, the table is fixedly connected with the turntable and located on the turntable, the table has a plurality of placement grooves, the placement grooves are uniformly distributed along the length direction of the table, the projection structure comprises a box body, a box cover, a lens, a slider, a push rod, a support rod and a suction cup for fixing electronic equipment, the box body is fixedly connected with the table and located at one end of the table far away from the turntable, the box body has a chute, the chute is located at the bottom of the box body, the box cover is hinged with the box body and located at one end of the box body far away from the table, the lens is embedded in the box body, and is located all sides of box, just the central line of lens with the axial central line of spout is perpendicular and crossing, the slider embedding the spout, and with box sliding connection, the push rod inserts the box, and with box sliding connection, just the push rod with slider fixed connection, the bracing piece with slider fixed connection, and be located in the box, the sucking disc with bracing piece fixed connection, and be located the bracing piece is kept away from the one end of slider, the structure of writing to nothing is located the table is kept away from the one end of revolving stage, extending structure is located the base with between the revolving stage.

The merry writing structure comprises a shell, a rotating shaft, a plurality of abutting blocks, a plurality of placing boxes and a plurality of reset springs, wherein the shell is fixedly connected with the table and provided with a plurality of bulges, the bulges are positioned in the shell and are uniformly distributed along the length direction of the shell, the rotating shaft penetrates through the shell and is rotatably connected with the shell, the abutting blocks are fixedly connected with the rotating shaft and are uniformly distributed along the length direction of the rotating shaft, the directions of two adjacent abutting blocks are opposite, the placing boxes are slidably connected with the shell and are positioned in the shell, the placing boxes respectively comprise the bulges, and the reset springs are abutted between the bulges and the placing boxes and are positioned in the placing boxes.

Wherein, the structure of writing to nothing includes casing, pivot, a plurality of box and a plurality of connecting rod of placing, the pivot comprises a plurality of axle units, adjacent two the orientation of axle unit is opposite, the axle unit includes U type pole and two horizontal poles, two horizontal poles set up relatively the both ends of U type pole, and is a plurality of place the box with casing sliding connection to be located in the casing, and a plurality of place the box along the length direction evenly distributed of casing, it has the engaging lug to place the box, the engaging lug is located place the week side of box, connecting rod one end with U type pole is articulated, the other end with the engaging lug is articulated.

The dictation structure further comprises a driving roller, a driven roller, a belt and a rocker, wherein the driving roller is rotatably connected with the table and is positioned on the periphery of the table, the driven roller is fixedly connected with the rotating shaft and is positioned outside the shell, the belt is wound on the driving roller and the driven roller, and the rocker is fixedly connected with the driving roller and is positioned at one end of the driving roller, which is far away from the table.

Wherein, the telescopic structure comprises a supporting table, a cylinder body, a pressurizing rod, a leather cup, an air inlet pipe, a telescopic rod, a piston, a pedal, a return spring, a check valve, an air outlet pipe and a sealing valve, the supporting table is fixedly connected with the base and positioned between the base and the rotary table, the cylinder body is fixedly connected with the supporting table and positioned on the peripheral side of the supporting table, the cylinder body is provided with a telescopic cavity, a pressurizing cavity and a plurality of air inlets, the pressurizing cavity is positioned below the telescopic cavity, the plurality of air inlets are uniformly distributed on the bottom surface of the cylinder body, the air inlets are communicated with the pressurizing cavity, the pressurizing rod is inserted into the cylinder body and is connected with the cylinder body in a sliding way, the pressurizing rod is positioned in the pressurizing cavity, the leather cup is fixedly connected with the pressurizing rod and is positioned in the cylinder body, one end of the air inlet pipe is communicated with the telescopic cavity, the other end with the pressurized cavity switch-on, telescopic link one end with revolving stage fixed connection, the other end inserts the barrel, and with barrel sliding connection, just telescopic rod part is located the telescopic cavity, the piston with telescopic link fixed connection, and be located in the telescopic link, the footboard with pressurized bar fixed connection, and be located the pressurized bar is kept away from the one end of leather cup, return spring supports to hold the footboard with between the base, the check valve with intake pipe fixed connection, and be located in the inlet duct, the outlet duct inserts the barrel, and with the flexible cavity switch-on, the seal valve covers the outlet duct.

The check valve comprises a body, a first compression spring and a sealing plug, wherein the body is provided with a groove and two passages, the groove faces the pressurizing cavity, the passages are communicated with the groove and oppositely arranged, the passages are L-shaped, the sealing plug is slidably connected with the body and is positioned in the grooves, and the first compression spring is abutted between the body and the sealing plug.

The sealing valve comprises an outer pipe, an inner pipe and a second compression spring, the inner pipe is slidably connected with the outer pipe and is positioned in the outer pipe, the inner pipe is fixedly connected with the air outlet pipe and is communicated with the air outlet pipe, the inner pipe is provided with a plurality of air outlets which are uniformly distributed on the periphery of the inner pipe, and the compression spring is abutted between the outer pipe and the inner pipe and is positioned in the outer pipe.

When the intelligent teaching system for English learning is used, a user places the base near a wall surface, adjusts the telescopic assembly to enable the height of the table platform to reach a proper height satisfied by the user, opens the case cover, uses a mobile phone and the like for English learning, places an electronic device with an electronic screen in the placing box upside down, presses the rear cover of the electronic device on the sucking disc, the sucking disc adsorbs the electronic device to achieve the effect of quickly fixing the electronic device, at the moment, the user pushes the sliding block to reciprocate along the sliding groove in the case body through the push rod to drive the supporting rod and the electronic device fixed on the sucking disc to reciprocate along the sliding groove in the case body, and when the object distance is smaller than 2 times of focal distance and larger than 1 time of focal distance according to a convex lens imaging rule, the image distance is larger than 2 times of focal distance, the electronic screen is inverted and enlarged to form a real image, wherein the image distance is larger than the object distance, the image is larger than the object, the object image is on the different side, that is, when the distance between the electronic device and the lens is larger than 1-time focal length of the lens and smaller than 2-time focal length of the lens, the displayed image of the electronic screen is enlarged and projected onto the nearby wall surface by the lens, the desk is rotated under the action of the turntable, so that the image is clearly displayed on the wall surface, a user can directly learn English from the image projected on the wall surface without taking up or placing the electronic device such as a mobile phone on the desk, and the projected image is larger, so that the electronic screen is not only beneficial to the user to do learning notes, but also beneficial to the user to keep good sitting posture, the user is not easy to fatigue in the learning process, the eyesight of the user is also good in use effect, and the merry writing structure can also increase the interest of the user in learning English, strengthen the user to the memory of english word or phrase, make english study is with intelligent teaching system's result of use better. The English learning intelligent teaching system integrates the writing function, the stretching function, the projection function and the dictation function, has a better using effect, and solves the technical problems of single function and poor using effect of the traditional English learning intelligent teaching system.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an intelligent teaching system for english learning according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a projection structure according to a first embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a merry-go-back structure of the first embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a first embodiment of a resisting block of the present invention.

Fig. 5 is a schematic structural diagram of the telescopic structure according to the first embodiment of the present invention.

Fig. 6 is a schematic structural view of the check valve according to the first embodiment of the present invention.

FIG. 7 is a schematic view showing the structure of a sealing valve according to a first embodiment of the present invention

100-intelligent teaching system for English learning, 110-base, 120-rotary table, 130-table, 140-projection structure, 150-dictation structure, 160-telescopic structure, 131-placing groove, 141-box, 142-box cover, 143-lens, 144-slider, 145-push rod, 146-support rod, 147-sucker, 1411-chute, 151-shell, 152-rotating shaft, 153-resisting block, 154-placing box, 155-reset spring, 1511-bulge, 157-driving roller, 158-driven roller, 159-belt, 1571-rocker, 161-support table, 162-cylinder, 163-pressure rod, 164-leather cup, 165-air inlet pipe, 166-telescopic rod, 167-piston, 168-pedal, 169-return spring, 170-one-way valve, 171-air outlet pipe, 172-sealing valve, 1621-telescopic cavity, 1622-pressurizing cavity, 1623-air inlet hole, 173-body, 174-first compression spring, 175-sealing plug, 1731-groove, 1732-channel, 1721-outer pipe, 1722-inner pipe, 1723-second compression spring and 1724-air outlet.

Fig. 8 is a schematic structural diagram of a second embodiment of the intelligent teaching system for english learning according to the present invention.

Fig. 9 is a schematic structural diagram of a projection structure according to a second embodiment of the present invention.

FIG. 10 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 11 is a schematic structural view of a shaft unit according to a second embodiment of the present invention.

The intelligent teaching system comprises a 200-English learning intelligent teaching system, a 210-base, a 220-rotary table, a 230-table, a 240-projection structure, a 250-dictation structure, a 260-telescopic structure, a 231-placing groove, a 241-box body, a 242-box cover, a 243-lens, a 244-slider, a 245-push rod, a 246-supporting rod, a 247-sucking disc, a 2411-sliding groove, a 251-shell, a 252-rotating shaft, a 254-placing box, a 256-connecting rod, a 2521-shaft unit, a 2522-U-shaped rod, a 2523-cross rod and a 2541-connecting lug.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Fig. 1 to 7 show a first embodiment of the present invention: an intelligent teaching system 100 for English learning comprises a base 110, a turntable 120, a table 130, a projection structure 140, a dictation structure 150 and a telescopic structure 160, wherein the turntable 120 is located above the base 110, the table 130 is fixedly connected with the turntable 120 and located on the turntable 120, the table 130 is provided with a plurality of placing grooves 131, the placing grooves 131 are uniformly distributed along the length direction of a shell 151, the projection structure 140 comprises a box body 141, a box cover 142, a lens 143, a slide block 144, a push rod 145, a support rod 146 and a suction cup 147 for fixing electronic equipment, the box body 141 is fixedly connected with the table 130 and located at one end of the table 130 far away from the turntable 120, the box body 141 is provided with a sliding groove 1411, the sliding groove 1411 is located at the bottom surface of the box body 141, the box cover 142 is hinged with the box body 141 and located at one end of the box body 141 far away from the table 130, the lens 143 is embedded in the case 141 and located on the peripheral side of the case 141, the center line of the lens 143 is perpendicular to and intersects with the axial center line of the chute 1411, the slider 144 is embedded in the chute 1411 and is slidably connected with the case 141, the push rod 145 is inserted in the case 141 and is slidably connected with the case 141, the push rod 145 is fixedly connected with the slider 144, the support rod 146 is fixedly connected with the slider 144 and is located in the case 141, the suction cup 147 is fixedly connected with the support rod 146 and is located at one end of the support rod 146 away from the slider 144, the dictation structure 150 is located at one end of the table 130 away from the turntable 120, and the telescopic structure 160 is located between the base 110 and the turntable 120. The dictation mechanism 150 includes a housing 151, a shaft 152, a plurality of holding blocks 153, a plurality of placing boxes 154, and a plurality of return springs 155, the housing 151 is fixedly connected to the table 130, and has a plurality of protrusions 1511, a plurality of protrusions 1511 being located within the housing 151, and are uniformly distributed along the length direction of the housing 151, the rotating shaft 152 penetrates the housing 151, and is rotatably connected with the housing 151, a plurality of the abutting blocks 153 are fixedly connected with the rotating shaft 152, and are uniformly distributed along the length direction of the rotating shaft 152, and the directions of two adjacent abutting blocks 153 are opposite, a plurality of placing boxes 154 are slidably connected with the housing 151, and is positioned in the housing 151, and the plurality of placing cases 154 respectively include the protrusions 1511, the return spring 155 is supported between the protrusion 1511 and the placing box 154, and is located in the placing box 154.

In the first embodiment, when in use, a user places the base 110 near a wall surface, adjusts the telescopic assembly to enable the height of the table 130 to reach a suitable height satisfied by the user, opens the case cover 142, places an electronic device such as a mobile phone for english learning, and has an electronic screen in the case 141, presses the rear cover of the electronic device against the suction cup 147, and the suction cup 147 sucks the electronic device to achieve an effect of quickly fixing the electronic device, at this time, the user pushes the slider 144 to reciprocate along the chute 1411 in the case 141 through the push rod 145 to drive the support rod 146 and the electronic device fixed on the suction cup 147 to reciprocate along the chute 1411 in the case 141, and according to an imaging rule of the convex lens 143, when an object distance is smaller than 2 times of focal length and larger than 1 times of focal length, the image distance is larger than 2 times of focal length, the image is an inverted and enlarged real image, when the image distance is larger than the object distance, the image is larger than the object, the object image is different, that is, when the distance between the electronic device and the lens 143 is larger than 1 time of focal length of the lens 143 and smaller than 2 times of focal length of the lens 143, the displayed image of the electronic screen is enlarged and projected onto the nearby wall surface by the lens 143, the table 130 is rotated under the action of the turntable 120, so that the image is clearly displayed on the wall surface, the user can directly learn from the image projected on the english wall surface without taking up the electronic device such as a mobile phone or placing the electronic device on the table 130, and the projected image is larger, so that the user can not only do learning notes, but also keep a good sitting posture, so that the user is not easy to fatigue during learning, and the eyesight of the user is also good, in addition, when the user uses the dictation function, the english card and the corresponding chinese card placed in the placement groove 131 are taken out first, for example, when the number of words memorized by the user is three, three english cards written with the three words and three chinese cards recorded with the chinese interpretations corresponding to the three words are required to be taken out, the english cards are placed in the first, third and fifth placement boxes 154, the chinese cards are placed in the second, fourth and sixth placement boxes 154, at this time, the user rotates the rotating shaft 152, the abutting blocks 153 rotate under the action of the rotating shaft 152, because the orientation of two adjacent abutting blocks 153 is opposite, when the first, third and fifth placement boxes 154 slide out of the housing 151 under the action of the abutting blocks 153, the second, fourth and sixth placement boxes 154 are still located in the housing 151, at this time, when the return springs 155 in the first, third and fifth placing boxes 154 are compressed by the user under the action of the bosses, the user continues to rotate the rotating shaft 152 after the user writes english words recorded on the english cards in the first, third and fifth placing boxes 154 to the chinese language, the return springs 155 are gradually returned, after the abutting blocks 153 are disengaged from the first, third and fifth placing boxes 154, the first, third and fifth placing boxes 154 are put into the housing 151 again, at this time, the second, fourth and sixth placing boxes 154 slide out of the housing 151 under the action of the abutting block 153, and the user can memorize the english through the user's interpretation of the chinese language recorded on the chinese card placed in the second, fourth and sixth placing boxes 154, and by repeating the above operations, the english memory can be strengthened, so that the using effect of the intelligent teaching system 100 for english learning is better.

Fig. 8 to 11 show a second embodiment of the invention: an intelligent teaching system 200 for English learning comprises a base 210, a turntable 220, a table 230, a projection structure 240, a dictation structure 250 and a telescopic structure 260, wherein the turntable 220 is located above the base 210, the table 230 is fixedly connected with the turntable 220 and located on the turntable 220, the table 230 has a plurality of placement grooves 231, the placement grooves 231 are uniformly distributed along the length direction of a housing 251, the projection structure 240 comprises a box 241, a box cover 242, a lens 243, a slider 244, a push rod 245, a support rod 246 and a suction cup 247 for fixing electronic equipment 241, the box 241 is fixedly connected with the table 230 and located at one end of the table 230 far away from the turntable 220, the box 241 has a sliding groove 2411, the sliding groove 1 is located at the bottom surface of the box 241, the box cover 242 is hinged with the box 241 and located at one end of the box 241241241 far away from the table 230, the lens 243 is embedded in the box body 241 and located on the peripheral side of the box body 241, the center line of the lens 243 is perpendicular to and intersects with the axial center line of the sliding groove 2411, the sliding block 244 is embedded in the sliding groove 2411 and is slidably connected with the box body, the push rod 245 is inserted in the box body 241 and is slidably connected with the box body 241, the push rod 245 is fixedly connected with the sliding block 244, the support rod 246 is fixedly connected with the sliding block 244 and is located in the box body 241, the suction cup 247 is fixedly connected with the support rod 246 and is located at one end of the support rod 246 away from the sliding block 244, the dictation structure 250 is located at one end of the table 230 away from the turntable 220, and the telescopic structure 260 is located between the base 210 and the turntable 220. The dictation mechanism comprises a housing 251, a rotating shaft 252, a plurality of placing boxes 254 and a plurality of connecting rods 256, wherein the rotating shaft 252 is composed of a plurality of shaft units 2521, the orientation of two adjacent shaft units 2521 is opposite, the shaft units 2521 comprise a U-shaped rod 2522 and two cross rods 2523, the two cross rods 2523 are oppositely arranged at two ends of the U-shaped rod 2522, the plurality of placing boxes 254 are slidably connected with the housing 251 and are positioned in the housing 251, the plurality of placing boxes 254 are uniformly distributed along the length direction of the housing 251, the placing boxes 254 have connecting lugs 2541, the connecting lugs 2541 are positioned at the periphery of the placing boxes 254, one end of each connecting rod 256 is hinged with the U-shaped rod 2522, and the other end is hinged with the connecting lugs 2541.

In the second embodiment, when in use, a user places the base 210 near a wall surface, adjusts the telescopic assembly to enable the height of the table 230 to reach a suitable height satisfied by the user, opens the case cover 242, uses a mobile phone or other electronic device for english learning, and places the electronic device having an electronic screen upside down into the case 241, presses the rear cover of the electronic device against the suction cup 247, and the suction cup 247 sucks the electronic device to achieve an effect of quickly fixing the electronic device, at this time, the user pushes the slider 244 to reciprocate along the chute 2411 in the case 241 through the push rod 245, so as to drive the support rod 246 and the electronic device fixed on the suction cup 247 to reciprocate along the chute 2411 in the case 241, and according to an imaging rule of the convex lens 243, when an object distance is less than 2 times of focal distance and greater than 1 times of focal distance, the image distance is larger than 2 times of focal length, and the image is an inverted and enlarged real image, when the image distance is larger than the object distance, the image is larger than the object, the object image is different, that is, when the distance between the electronic device and the lens 243 is larger than 1 time of focal length of the lens 243 and smaller than 2 times of focal length of the lens 243, the displayed image of the electronic screen is enlarged and projected onto the nearby wall surface by the lens 243, the table 230 is rotated under the action of the turntable 220, so that the image is clearly displayed on the wall surface, the user can directly learn from the image projected on the english wall surface without taking up the electronic device such as a mobile phone or placing the electronic device on the table 230, and the projected image is larger, so that the user can not only do learning notes, but also keep a good sitting posture, so that the user is not easy to fatigue during learning, and the eyesight of the user is also good, in addition, when the user uses the dictation function, the user first takes out the english card and the corresponding chinese card placed in the placement slot 231, for example, when the user memorizes three words at a time, he needs to take out three english cards written with the three words and three chinese cards recorded with the chinese interpretations corresponding to the three words, respectively, place the english cards into the first, third and fifth placement boxes 254, and place the chinese cards into the second, fourth and sixth placement boxes 254, at this time, the user rotates the rotation shaft 252, under the action of the rotation shaft 252, drives the shaft unit 2521 to rotate, thereby driving the U-shaped rod 2522 of the shaft unit 2521 to rotate, under the action of the U-shaped rod 2522, one end of the connection rod 252256 hinged to the U-shaped rod 2522 makes a circular motion along the U-shaped rod 2, because the other end of the connection rod 256 is hinged to the connection ear 2541 of the placement box 254, therefore, the placing boxes 254 are moved back and forth by the pulling of the connecting rods 256 to slide in or out of the housing 251, and since the orientations of the two adjacent shaft units 2521 are opposite, when the first, third and fifth placing boxes 254 slide out of the housing 251 by the abutting blocks, the second, fourth and sixth placing boxes 254 are still located in the housing 251, and after the user writes english words recorded on english cards in the first, third and fifth placing boxes 254 to chinese, the user continues to rotate the rotating shaft 252, and under the action of the connecting rods 256, the first, third and fifth placing boxes 254 enter the housing 251 again, at which time the second, fourth and sixth placing boxes 254 slide out of the housing 251 by the connecting rods 256, and the user writes chinese words written on chinese cards placed in the second, fourth and sixth placing boxes 254 to english, by repeating the above operations, the English memory can be strengthened, so that the intelligent teaching system 200 for English learning has a better using effect.

Further, the dictation mechanism 150 further includes a driving roller 157, a driven roller 158, a belt 159, and a rocker 1571, wherein the driving roller 157 is rotatably connected to the table 130 and located on the periphery of the table 130, the driven roller 158 is fixedly connected to the rotating shaft 152 and located outside the housing 151, the belt 159 is wound around the driving roller 157 and the driven roller 158, and the rocker 1571 is fixedly connected to the driving roller 157 and located at an end of the driving roller 157 away from the table 130.

In this embodiment, when the user uses the dictation structure 150 to perform dictation, the rocker 1571 rotates the driving roller 157, the driving roller 157 drives the belt 159 to rotate, so as to drive the driven roller 158 to rotate, and the driven roller 158 drives the rotating shaft 152 to rotate, thereby implementing a dictation function, and the user operation is more labor-saving, so that the intelligent teaching system 100 for learning english has a better use effect.

Further, the telescopic structure 160 includes a support table 161, a cylinder 162, a pressurizing rod 163, a leather cup 164, an air inlet pipe 165, a telescopic rod 166, a piston 167, a pedal 168, a return spring 169, a one-way valve 170, an air outlet pipe 171 and a sealing valve 172, the support table 161 is fixedly connected with the base 110 and is located between the base 110 and the turntable 120, the cylinder 162 is fixedly connected with the support table 161 and is located on the peripheral side of the support table 161, the cylinder 162 has a telescopic cavity 1621, a pressurizing cavity 1622 and a plurality of air inlet holes 1623, the pressurizing cavity 1622 is located below the telescopic cavity 1621, the plurality of air inlet holes 1623 are uniformly distributed on the bottom surface of the cylinder 162, and the air inlet holes 1623 are communicated with the pressurizing cavity 1622, the pressurizing rod 163 is inserted into the cylinder 162 and is slidably connected with the cylinder 162, and part of the pressurizing rod 163 is located in the pressurizing cavity 1622, the leather cup 164 is fixedly connected with the pressurizing rod 163 and is positioned in the cylinder 162, one end of the air inlet pipe 165 is communicated with the telescopic cavity 1621, the other end of the air inlet pipe is communicated with the pressurizing cavity 1622, one end of the telescopic rod 166 is fixedly connected with the turntable 120, the other end of the telescopic rod 166 is inserted into the cylinder 162 and is slidably connected with the cylinder 162, part of the telescopic rod 166 is positioned in the telescopic cavity 1621, the piston 167 is fixedly connected with the telescopic rod 166 and is positioned in the telescopic rod 166, the pedal 168 is fixedly connected with the pressurizing rod 163 and is positioned at one end of the pressurizing rod 163 far away from the leather cup 164, the return spring 169 is abutted between the pedal 168 and the base 110, the one-way valve 170 is fixedly connected with the air inlet pipe 165 and is positioned in the air inlet pipe 165, the air outlet pipe 171 is inserted into the cylinder 162 and is communicated with the telescopic cavity 1621, the sealing valve 172 covers the outlet tube 171.

In this embodiment, when the table 130 needs to be lifted, the user repeatedly steps on the pedal 168, when the user steps on the pedal, the return spring 169 is contracted, the pressure rod 163 pulls the cup 164 to move downward, the cup 164 can play a role of making air flow in one direction, the cup is shaped like a bowl, when the user moves downward, because the outer circular arc of the cup 164 has little friction with the cylinder wall of the cylinder 162, air can smoothly enter the pressure chamber 1622 from the air inlet 1623 by using the upper and lower pressure, when the user releases the pedal 168, the return spring 169 is reset, the pressure rod 163 drives the cup 164 to move upward, the air pressure in the pressure chamber 1622 of the cylinder 162 is strong, the cup 164 is pressed to open the outer edge of the cup 164 to be tightly attached to the cylinder wall, so that the air tightness is increased, and the pressure in the pressure chamber 1622 is increased, compressed air enters the telescoping chamber 1621 from the pressurized chamber 1622 through the air inlet passageway 1732, since the check valve 170 is installed in the intake pipe 165, compressed air can be introduced into the bellows chamber 1621 only from the pressurizing chamber 1622, and cannot enter the pressurized chamber 1622 from the telescoping chamber 1621, at which point the pressure within the telescoping chamber 1621 increases, thereby pushing the piston 167 upward, under the action of the piston 167, the telescopic rod 166 moves upwards, so as to gradually jack up the rotary table 120 on the support table 161, the sealing valve 172 is used for sealing the air outlet tube 171, and when the telescopic rod 166 needs to be lowered, the sealing valve 172 can be opened, it is right flexible chamber 1621 realizes the gassing function, extending structure 160 adopts above-mentioned structure, and is not only laborsaving, but also rapid operation to increased intelligent teaching system 100's for english study result of use.

Further, the one-way valve 170 includes a body 173, a first compression spring 174 and a sealing plug 175, the body 173 has a groove 1731 and two channels 1732, the groove 1731 faces the pressurizing cavity 1622, the channels 1732 are communicated with the groove 1731 and are oppositely arranged, the channels 1732 are L-shaped, the sealing plug 175 is slidably connected with the body 173 and is positioned in the groove 1731, and the first compression spring 174 is supported between the body 173 and the sealing plug 175.

In this embodiment, the compressed air enters the one-way valve 170 from the pressurizing cavity 1622, the pressure acts on the sealing plug 175, so that the sealing plug 175 slides in the groove 1731 of the body 173, at this time, the first compression spring 174 is compressed, so that the channel 1732 is opened, the air enters from the channel 1732, the end of the groove 1731 opposite to the opening is sealed by the body 173 and the sealing plug 175, the air cannot flow in from the end, so that the air flow direction is limited, the air is prevented from entering the pressurizing cavity 1622 from the telescopic cavity 1621, the pressurizing effect is poor, the operation of the telescopic rod 166 is affected, and the use effect of the intelligent teaching system for learning english 100 is affected.

Further, the sealing valve 172 includes an outer tube 1721, an inner tube 1722 and a second compression spring 1723, the inner tube 1722 is slidably connected to the outer tube 1721 and is located in the outer tube 1721, the inner tube 1722 is fixedly connected to the outlet tube 171 and is connected to the outlet tube 171, the inner tube 1722 has a plurality of air outlets 1724, the air outlets 1724 are uniformly distributed around the inner tube 1722, and the compression spring is supported between the outer tube 1721 and the inner tube 1722 and is located in the outer tube 1721.

In this embodiment, when the table 130 is put down, the outer tube 1721 of the sealing valve 172 is pulled, the second compression spring 1723 is elongated, at this time, the outer tube 1721 slides relative to the inner tube 1722, the air outlet 1724 on the inner tube 1722 is exposed, air is discharged from the telescopic cavity 1621 through the air outlet tube 171 to the air outlet 1724, and at this time, the piston 167 drives the telescopic rod 166 to slide downward, so that the table 130 is put down, the operation is fast and convenient, the extension or the shortening of the telescopic structure 160 is facilitated to be rapidly realized, and the use effect of the intelligent teaching system 100 for english learning is increased.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. an intelligent teaching system for English learning, is characterized in that, comprises base, turntable, table table, projection structure, dictation structure and telescopic structure, described turntable is positioned above described base, described table table and described turntable It is fixedly connected and located on the turntable, and the table table has a plurality of placement grooves, and the plurality of the placement grooves are evenly distributed along the length direction of the table table, and the projection structure includes a box body, a box cover, and a lens. , a slider, a push rod, a support rod and a suction cup for fixing electronic equipment, the box body is fixedly connected with the table, and is located at the end of the table away from the turntable, and the box has a sliding The sliding slot is located on the bottom surface of the box body, the box cover is hinged to the box body, and is located at the end of the box body away from the table, the lens is embedded in the box body, and is located at the end of the box body away from the table. The peripheral side of the box body, and the center line of the lens is perpendicular to and intersects with the axial center line of the chute, the slider is embedded in the chute, and is slidably connected with the box body, the The push rod is inserted into the box body and is slidably connected with the box body, and the push rod is fixedly connected with the slider, and the support rod is fixedly connected with the slider and located in the box, so The suction cup is fixedly connected with the support rod, and is located at the end of the support rod away from the slider, the dictation structure is located at the end of the table away from the turntable, and the telescopic structure is located at the base and the between the turntables; the dictation structure includes a casing, a rotating shaft, a plurality of placing boxes and a plurality of connecting rods, the rotating shaft is composed of a plurality of shaft units, and the directions of two adjacent shaft units are opposite, and the shafts The unit includes a U-shaped rod and two transverse rods, the two transverse rods are oppositely arranged at both ends of the U-shaped rod, and a plurality of the placing boxes are slidably connected with the housing and are located in the housing, And a plurality of the placing boxes are evenly distributed along the length direction of the casing, the placing boxes have connecting ears, the connecting ears are located on the peripheral side of the placing boxes, and one end of the connecting rod is connected to the U-shaped rod. The other end is hinged with the connecting ear.

2. The intelligent teaching system for English learning as claimed in claim 1, wherein the dictation structure further comprises a driving roller, a driven roller, a belt and a rocker, and the driving roller is rotatably connected to the table, and is located on the peripheral side of the table, the driven roller is fixedly connected with the rotating shaft, and is located outside the casing, the belt is wrapped around the driving roller and the driven roller, the rocker It is fixedly connected with the driving roller, and is located at one end of the driving roller away from the table.

3. The intelligent teaching system for English learning according to claim 2, wherein the telescopic structure comprises a support table, a cylinder, a pressure rod, a leather cup, an air intake pipe, a telescopic rod, a piston, a pedal, a return A spring, a one-way valve, an air outlet pipe and a sealing valve, the support table is fixedly connected to the base, and is located between the base and the turntable, the cylinder is fixedly connected to the support table, and is located at the On the peripheral side of the support table, the cylinder has a telescopic cavity, a pressurized cavity and a plurality of air inlet holes, the pressurized cavity is located below the telescopic cavity, and the plurality of air intake holes are evenly distributed in the the bottom surface of the cylinder body, and the air inlet is connected to the pressurizing cavity, the pressurizing rod is inserted into the cylinder body, and is slidably connected with the cylinder body, and the pressurizing rod part is located in the In the pressurizing chamber, the leather cup is fixedly connected with the pressurizing rod and is located in the cylinder, one end of the air inlet pipe is connected to the telescopic chamber, and the other end is connected to the pressurizing chamber, so the One end of the telescopic rod is fixedly connected with the turntable, and the other end is inserted into the cylinder body and is slidably connected with the cylinder body, and the telescopic rod is partially located in the telescopic cavity, and the piston is fixed to the telescopic rod connected and located in the telescopic rod, the pedal is fixedly connected with the pressure rod, and is located at the end of the pressure rod away from the leather cup, the return spring is against the pedal and the Between the bases, the one-way valve is fixedly connected to the air inlet pipe and is located in the air inlet pipe, the air outlet pipe is inserted into the cylinder body, and is connected to the telescopic cavity, and the sealing valve covers the outlet pipe.

4. The intelligent teaching system for English learning according to claim 3, wherein the one-way valve comprises a main body, a first compression spring and a sealing plug, the main body has a groove and two passages, the concave The groove faces the pressurizing cavity, the channel is connected to the groove and is arranged oppositely, and the channel is L-shaped, the sealing plug is slidably connected with the body, and is located in the groove, The first compression spring is held between the body and the sealing plug.

5. The intelligent teaching system for English learning according to claim 4, wherein the sealing valve comprises an outer tube, an inner tube and a second compression spring, the inner tube is slidably connected to the outer tube, and is located at the Inside the outer pipe, the inner pipe is fixedly connected with the air outlet pipe, and is connected to the air outlet pipe, and the inner pipe has a plurality of air outlets, and the plurality of air outlets are evenly distributed in the inner pipe. On the peripheral side of the tube, the compression spring is held between the outer tube and the inner tube, and is located in the outer tube.